BLANCHARD KEN. (2003). LEADERSHIP PILL. SIMON & SCHUSTER INC.
Lua i Stíl Chicago (17ú heag.)BLANCHARD KEN. LEADERSHIP PILL. NEW YORK: SIMON & SCHUSTER INC, 2003.
Lua MLA (9ú heag.)BLANCHARD KEN. LEADERSHIP PILL. SIMON & SCHUSTER INC, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.